Raptor has detected a Firefox performance regression from push:
As author of one of the patches included in that push, we need your help to address this regression.
4% raptor-tp6-yahoo-news-firefox fcp linux64-shippable opt 321.42 -> 335.12
4% raptor-tp6-yahoo-news-firefox windows10-64-shippable-qr opt 363.35 -> 376.21
3% raptor-tp6-yahoo-news-firefox linux64-shippable opt 360.81 -> 372.81
3% raptor-tp6-office-firefox fcp windows7-32-shippable opt 197.48 -> 203.67
3% raptor-tp6-yahoo-news-firefox fcp windows10-64-shippable-qr opt 328.00 -> 338.21
3% raptor-tp6-microsoft-firefox fcp linux64-shippable-qr opt 232.94 -> 239.33
3% raptor-tp6-office-firefox windows7-32-shippable opt 181.78 -> 186.61
You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=23373
On the page above you can see an alert for each affected platform as well as a link to a graph showing the history of scores for this test. There is also a link to a Treeherder page showing the Raptor jobs in a pushlog format.
To learn more about the regressing test(s) or reproducing them, please see: https://wiki.mozilla.org/TestEngineering/Performance/Raptor
*** Please let us know your plans within 3 business days, or the offending patch(es) will be backed out! ***
Our wiki page outlines the common responses and expectations: https://wiki.mozilla.org/TestEngineering/Performance/Talos/RegressionBugsHandling